smithsonite
ck_admin
March 24, 2021
Name honoring James Smithson (1765-1829), founder of the Smithsonian Institution in Washington (USA). It is also called bonamite.
pearly
Je vous emmène à travers mes vidéos découvrir mon expérience acquise depuis plus de 30 ans a silloner le globe entier à la recherche de pierres précieuses, de rencontre mémorables mais aussi de difficulté parfois …
actualités
rhodochrosite
ck_admin
March 24, 2021
The gem variety, which is only marketed since 1950, yet named dialogite or “Inca Rose”, saw its name derived from the Greek “rhodon” for rose. In fact, the term dialogite was reserved to rhombohedral crystals. It is of a pinkish red to yellowish color, with
pyroxmangite
ck_admin
March 24, 2021
It takes its name from its resemblance to the pyroxene and its manganese content. Rhodonite has the same composition as the pyroxmangite formed in conditions of higher pressure and temperature.
pyrophyllite
ck_admin
March 24, 2021
Uncommon mineral, present in hydrothermal veins. Its name comes from the Greek “pyros” for fire and “phyllos” as sheet, because with the heat this mineral is exfoliating, and swells in superposed sheets.
